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Family Practice

Jocelyn Mattoon

Works at hospitals in Manhattan, KS · Clay Center, KS · Junction City, KS … · Kansas

Summary

Jocelyn Mattoon (Family Practice) is listed by Medicare at 4 hospitals in Manhattan, KS, Clay Center, KS and Junction City, KS and other places. NPI 1407350564. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jocelyn Mattoon, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
8Years since medical school (graduated 2018)
University Of Kansas School Of Med (kc/wich/sal)Medical school
FemaleGender (as listed)
Cotton-O'neil Clinic Revocable TrustGroup practice (+1 more)

Quick answers

Which hospitals does Jocelyn Mattoon work at?
Medicare's official clinician data lists Jocelyn Mattoon at 4 hospitals: Ascension Via Christi Hospital Manhattan, Inc, Clay County Medical Center, Stormont Vail Health Flint Hills, LLC and Wamego Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Jocelyn Mattoon see patients?
Medicare's clinician data lists 2 practice locations, including Manhattan, KS. Call before your visit to confirm the address.
What is Jocelyn Mattoon's specialty?
Medicare lists Family Practice as the primary specialty.
Does Jocelyn Mattoon accept Medicare assignment?
Yes. Medicare's clinician data says Jocelyn Mattoon accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
Does Jocelyn Mattoon offer telehealth?
Medicare's clinician data says Jocelyn Mattoon offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Jocelyn Mattoon?
(785) 270-8723, as listed in official Medicare / NPI Registry data.
What is Jocelyn Mattoon's NPI number?
1407350564. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Jocelyn Mattoon works

Medicare's Facility Affiliation Data lists Jocelyn Mattoon at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Jocelyn Mattoon is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jocelyn Mattoon as a member of these groups (CMS data updated 2026-10-02).

  • Cotton-O'neil Clinic Revocable Trust666 clinicians in the group
  • Stonecreek Family Physicians, LLP18 clinicians in the group

Specialties

Find other Family Practice doctors in Kansas →

Other family doctors in Manhattan

Clinicians with the same Medicare primary specialty in Manhattan, KS — not a recommendation.

All family doctors in Manhattan →

Clinician information

Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2018
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1407350564
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians